1343443464 has 96 divisors (see below), whose sum is σ = 3982530240. Its totient is φ = 405744000.

The previous prime is 1343443463. The next prime is 1343443481. The reversal of 1343443464 is 4643443431.

1343443464 is a `hidden beast` number, since 134 + 34 + 434 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1343443463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248389 + ... + 253739.

It is an arithmetic number, because the mean of its divisors is an integer number (41484690).

Almost surely, 2^1343443464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343443464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991265120).

1343443464 is an abundant number, since it is smaller than the sum of its proper divisors (2639086776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1343443464 is a wasteful number, since it uses less digits than its factorization.

1343443464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691 (or 5684 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The square root of 1343443464 is about 36653.0143917250. The cubic root of 1343443464 is about 1103.4173240633.

Adding to 1343443464 its reverse (4643443431), we get a palindrome (5986886895).

The spelling of 1343443464 in words is "one billion, three hundred forty-three million, four hundred forty-three thousand, four hundred sixty-four".